Home / 158,621.24-218,899.01-86,024.27

Finding the Fourth Proportional to 158,621.24, 218,899.01 and 86,024.27

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Solution

The fourth proportional to 158,621.24, 218,899.01 and 86,024.27 is: 118,714.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,621.24 : 218,899.01 = 86,024.27 : x
  2. Step 2: Convert to fraction form
    158,621.24/218,899.01 = 86,024.27/x
  3. Step 3: Cross multiply
    158,621.24x = 218,899.01 × 86,024.27
  4. Step 4: Simplify right side
    158,621.24x = 18,830,628,301.28
  5. Step 5: Solve for x
    x = 18,830,628,301.28/158,621.24
  6. Step 6: Final answer
    x = 118,714.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.